2018 NISSAN FRONTIER check engine

0 Illustrated table of contents
Air bags, seat belts and child restraints..........0-2
Exterior front ....................................0-3
Exterior rear .....................................0-4
Passenger compartment ........................0-5 Instrument panel
................................0-6
Engine compartment check locations ...........0-8
Warning and indicator lights ....................0-10

QR25DE engine
1. Windshield-washer fluid reservoir(P. 8-13)
2. Fuse/Fusible link box (P. 8-22)
3. Fuse box (P. 8-22)
4. Air cleaner (P. 8-18)
5. Engine oil filler cap (P. 8-7)
6. Engine oil dipstick (P. 8-7)
7. Brake and clutch (if so equipped)
fluid reservoir (P. 8-12)
8. Drive belt location (P.8-16)
9. Radiator cap (P. 8-5)
10. Power steering fluid reservoir
(P. 8-11)
11. Battery (P. 8-14)
12. Engine coolant reservoir (P. 8-5)
Refer to the page number indicated in
parentheses for operating details.
WDI0643
ENGINE COMPARTMENT CHECK
LOCATIONS
0-8Illustrated table of contents

2 Instruments and controls
Instrument panel................................2-2
Meters and gauges ..............................2-3
Speedometer and odometer .................2-4
Tachometer ..................................2-6
Engine coolant temperature gauge ..........2-6
Fuel gauge ................................... 2-7
Engine oil pressure gauge (if so
equipped) ....................................2-8
Voltmeter (if so equipped) ....................2-8
Trip computer (if so equipped) ................2-9
Compass and outside temperature display
(if so equipped) ................................. 2-10
Outside temperature display .................2-11
Compass ..................................... 2-11
Warning lights, indicator lights and audible
reminders ...................................... 2-14
Checking lights .............................. 2-15
Warning lights ............................... 2-15
Indicator lights .............................. 2-20
Audible reminders ........................... 2-24
Security systems (if so equipped) ...............2-25
Vehicle security system (if so equipped) .....2-25
NISSAN Vehicle Immobilizer System
(if so equipped) .............................. 2-26Wiper and washer switch
.......................2-28
Switch operation ............................ 2-28
Rear window or outside mirror defroster
switch (if so equipped) .......................... 2-28
Headlight and turn signal switch ...............2-29
Headlight control switch .....................2-29
Daytime Running Light (DRL) system
(if so equipped) .............................. 2-32
Instrument brightness control ...............2-32
Turn signal switch ........................... 2-32
Fog light switch (if so equipped) .............2-33
Horn ........................................... 2-33
Cargo lamp switch ............................. 2-34
Heated seat switches (if so equipped) ..........2-34
Vehicle Dynamic Control (VDC) OFF switch ......2-35
Hill descent control switch (if so equipped) ......2-36
Electronic locking rear differential (E-Lock)
system switch (if so equipped) ..................2-37
Clutch

interlock (clutch start) switch
(if so equipped) ................................. 2-38
Rear Sonar System (RSS) OFF switch
(if so equipped) ................................. 2-39
Power outlets .................................. 2-39
Storage ........................................ 2-40

The low tire pressure warning light remains
illuminated until the tires are inflated to the
recommended COLD tire pressure. The
CHECK TIRE PRES (pressure) warning mes-
sage is displayed each time the ignition
switch is placed in the ON position as long
as the low tire pressure warning light re-
mains illuminated.
For additional information, refer to “Low tire
pressure warning light” in this section, “Tire
Pressure Monitoring System (TPMS)” in the
“Starting and driving” section, and “Wheels
and tires” in the “Do-it-yourself ” section of
this manual.
TACHOMETER
The tachometer indicates engine speed in
revolutions per minute (rpm).
Do not rev the engine into the red zone
1.
CAUTION
When engine speed approaches the red
zone, shif t to a higher gear or reduce
engine speed. Operating the engine in
the red zone may cause serious engine
damage.
ENGINE COOLANT TEMPERATURE
GAUGE
The gauge indicates the engine coolant
temperature. The engine coolant tempera-
ture is within the normal range
1when
the gauge needle points within the zone
shown in the illustration.
The engine coolant temperature varies
with the outside air temperature and driv-
ing conditions.
LIC0738LIC0739
2-6Instruments and controls

ENGINE OIL PRESSURE GAUGE
(if so equipped)
The gauge indicates the engine lubrication
system oil pressure while the engine is run-
ning. The needle should be in the middle of
the gauge when the engine is running.
CAUTION
∙ This gauge is not designed to indicatelow engine oil level. Use the dipstick to
check the oil level. For additional in-
formation, refer to “Engine oil” in the
“Do-it-yourself ” section of this manual.
∙ If the gauge needle does not movewith the proper amount of engine oil,
have the vehicle checked. It is recom-
mended that you visit a NISSAN dealer
for this service. Continued vehicle op-
eration in such a condition could
cause serious damage to the engine.
VOLTMETER (if so equipped)
When the ignition switch is placed in the ON
position, the voltmeter indicates the bat-
tery voltage. When the engine is running, it
indicates the generator voltage.
While cranking the engine, the volts drop
below the normal range. If the needle is not
in the normal range (11 - 15 volts)
1while
the engine is running, it may indicate that
the charging system is not functioning
properly. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
LIC0741WIC1299
2-8Instruments and controls

CHECKING LIGHTS
With all doors closed, apply the parking
brake, fasten the seat belts and place the
ignition switch in the ON position without
starting the engine. The following lights (if
so equipped) will come on:
,or,,,
The following lights (if so equipped) come
on briefly and then go off:
or,,,,,
,,
If any light fails to come on or operate in a
way other than described, it may indicate a
burned-out bulb and/or a system mal-
function. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
WARNING LIGHTS
This vehicle has various warning lights that
may illuminate to indicate a potential prob-
lem. For additional information, refer to the
specific light in this section.
4WD warning light(
model)
The 4WD warning light comes on when the
ignition switch is turned to the ON position.
It turns off soon af ter the engine is started.
If the engine or vehicle is not functioning
properly, the warning light will either re-
main illuminated or blink. For additional in-
formation, refer to “Using 4–wheel drive
(4WD)” in the “Starting and driving” section
of this manual.
CAUTION
∙ If the warning light comes on or blinks during operation, have your vehicle
checked as soon as possible. It is rec-
ommended that you visit a NISSAN
dealer for this service.
∙ Do not drive on dry hard surface roads in the 4H or 4LO position. If the 4WD
warning light turns on when you are
driving on dry hard surface roads:
– in the 4H position, shif t the 4WD shif t switch to 2WD. – in the 4LO position for automatic
transmission models, stop the ve-
hicle and shif t the shif t lever to the
N (Neutral) position with the brake
pedal depressed and shif t the 4WD
shif t switch to 2WD.
– in the 4LO position for manual transmission models, stop the ve-
hicle and shif t the shif t lever to the
N (Neutral) position with the clutch
pedal depressed and shif t the 4WD
shif t switch to 2WD,
∙ If the warning light is still on af ter the above operation, have your vehicle
checked as soon as possible. It is rec-
ommended that you visit a NISSAN
dealer for this service.
orAnti-lock Braking
System (ABS)
warning light
When the ignition switch is placed in the ON
position, the ABS warning light illuminates
and then turns off. This indicates the ABS is
operational.
If the ABS warning light illuminates while
the engine is running or while driving, it
may indicate the ABS is not functioning
Instruments and controls2-15

properly. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
If an ABS malfunction occurs, the anti-lock
function is turned off. The brake system
then operates normally but without anti-
lock assistance. For additional information,
refer to “Brake system” in the “Starting and
driving” section of this manual.
Automatic transmission oiltemperature warning light
(if so equipped)
This light comes on when the automatic
transmission oil temperature is too high. If
the light comes on while driving, reduce the
vehicle speed as soon as safely possible
until the light turns off.
CAUTION
Continued vehicle operation when the
A/T oil temperature warning light is on
may damage the automatic transmission.
Automatic transmissionpark warning light
(
model)
WARNING
∙ If the ATP light is ON, this indicates that the automatic transmission P
(Park) position will not function and
the transfer case is in neutral.
∙ When parking, always make sure that the 4WD shif t indicator light illumi-
nates and the parking brake is set.
Failure to engage the transfer posi-
tion in 2WD, 4H or 4LO could result in
the vehicle moving unexpectedly, re-
sulting in serious personal injury or
property damage.
∙ Shif t the 4WD switch into the 2WD, 4H or 4LO position again to turn off the
ATP warning light when the shif t lever
is in the P position and the ATP warn-
ing light is ON. (Before shif ting the
4WD switch into the 4LO position,
move the shif t lever into the N posi-
tion once, shif t the shif t lever into P
again and make sure the ATP warning
light is OFF.) This light indicates that the automatic
transmission parking function is not en-
gaged. If the transfer control is not secured
in any drive position while the shif t lever is
in the P (Park) position, the transmission will
disengage and the drive wheels will not
lock.
orBrake
warning light
This light functions for both the parking
brake and the foot brake systems.
Parking brake indicator
When the ignition switch is placed in the ON
position, the light comes on when the park-
ing brake is applied.
Low brake fluid warning light
When the ignition switch is placed in the ON
position, the light warns of a low brake fluid
level. If the light comes on while the engine
is running with the parking brake not ap-
plied, stop the vehicle and perform the fol-
lowing:
1. Check the brake fluid level. Add brake fluid as necessary. For additional infor-
mation, refer to “Brake fluid” in the “Do-
it-yourself ” section of this manual.
2-16Instruments and controls

2. If the brake fluid level is correct, havethe warning system checked. It is rec-
ommended that you visit a NISSAN
dealer for this service.
WARNING
∙ Your brake system may not be work-ing properly if the warning light is on.
Driving could be dangerous. If you
judge it to be safe, drive carefully to
the nearest service station for repairs.
Otherwise, have your vehicle towed
because driving it could be
dangerous.
∙ Pressing the brake pedal with the en- gine stopped and/or a low brake fluid
level may increase your stopping dis-
tance and braking will require greater
pedal effort as well as pedal travel.
∙ If the brake fluid level is below the MINIMUM or MIN mark on the brake
fluid reservoir, do not drive until the
brake system has been checked. It is
recommended that you visit a NISSAN
dealer for this service. Anti-lock Braking System (ABS)
warning indicator
When the parking brake is released and the
brake fluid level is sufficient, if both the
brake warning light and the ABS warning
light illuminate, it may indicate the ABS is
not functioning properly. Have the brake
system checked and, if necessary, repaired.
It is recommended that you visit a NISSAN
dealer for this service. Avoid high-speed
driving and abrupt braking. For additional
information, refer to “Anti-lock Braking Sys-
tem (ABS) warning light” in this section.
Charge warning light
If this light comes on while the engine is
running, it may indicate the charging sys-
tem is not functioning properly. Turn the
engine off and check the generator belt. If
the belt is loose, broken, missing, or if the
light remains on, have the system checked.
It is recommended that you visit a NISSAN
dealer for this service.
CAUTION
∙ Do not ground electrical accessories
directly to the battery terminal. Doing
so will bypass the variable voltage
control system and the vehicle bat-
tery may not charge completely. For
additional information, refer to “Vari-
able voltage control system” in the
“Do-it-yourself ” section of this
manual.
∙ Do not continue driving if the genera- tor belt is loose, broken or missing.
Door open warning light
This light comes on when any of the doors
are not closed securely while the ignition
switch is in the ON position.
Engine oil pressure
warning light
This light warns of low engine oil pressure. If
the light flickers or comes on during nor-
mal driving, pull off the road in a safe area,
stop the engine immediatelyand call a
NISSAN dealer or other authorized repair
shop.
Instruments and controls2-17